Echinodiscus (echinoderm)
Echinodiscus is a genus of sand dollars within the family Astriclypeidae. There are currently 14 species assigned to the genus, with a majority being extinct.
Species
Echinodiscus andamanensis Echinodiscus bisperforatus- †Echinodiscus chikuzenensis
- †Echinodiscus colchesterensis
- †Echinodiscus ellipticus
- †Echinodiscus formosus
- †Echinodiscus ginauensis
- †Echinodiscus hsianglanensis
- †Echinodiscus pedemontanus
- †Echinodiscus placenta
- †Echinodiscus tiliensis
- †Echinodiscus transiens Echinodiscus truncatus
- †''Echinodiscus yeliuensis''